In prepared pan, layer 1 cup sauce, 3 of the noodles and half of the ricotta cheese mixture. Add 3 more noodles and the zucchini/carrot/sauce mixture. Continue with 3 more noodles and remaining ricotta cheese mixture. Top with remaining noodles and sauce. Sprinkle with remaining 1 cup mozzarella cheese. Pour water around the edges of the pan. Cover tightly with foil and refrigerate overnight.